Rehband’s Rx Knee Sleeve is a great option for light support with maximum range of motion. Made from a 3mm thick SBR/Neoprene blend, it offers a useful intermediate level of compression. This version of the Rx Knee Sleeve is black. Each sleeve is sold individually and available in sizes XS to XL. Whether you’re looking to reduce the risk of a knee injury or are rehabbing from a previous setback, these simple, durable supports can make a noticeable difference. Keep the knee slightly bent (about 30 degrees) and measure the circumference (cm) around the leg, 10 cm below the patella Extra Small 31cm - 33cm Small 33cm - 35cm Medium 35cm - 37cm Large 37cm - 39cm Extra Large 39cm - 41cm